package lab02.test37;

/**
 * Created by AIR on 2017/11/13.
 */
public class Undergraduate extends Student {
    @Override
    String calGrader() {
        String grade="";
        double avg=average();
        if (avg>60)
            System.out.println("通过");
        else
            System.out.println("没有通过");
        return  grade;
    }
}
